Blight Mound, Altar of Dementia, Bloodsoaked Champion, and Pitiless Plunderer

Prerequisites

• Blight Mound on the battlefield
• Altar of Dementia on the battlefield
• Bloodsoaked Champion in the graveyard
• Pitiless Plunderer on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Bloodsoaked Champion
2. When Bloodsoaked Champion dies, Pitiless Plunderer and Blight Mound trigger, creating a creature token and a Treasure token
3. Resolve the Altar of Dementia ability
4. Activate Altar of Dementia by sacrificing the creature token
5. When the creature token dies, it and Pitiless Plunderer triggers, creating a Treasure token and causing you to gain 1 life
6. Resolve the Altar of Dementia ability
7. Activate the Treasures by tapping and sacrificing them, adding
8. Activate Bloodsoaked Champion by paying , returning it from your graveyard to the battlefield
9. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite lifegain
• Infinite lifegain triggers